Chess Puzzle #CTI4i — Advanced, Black to move, middlegame

Position

White: king h1; queen g4; rooks c1/f1; bishop d3; pawns b4/e6/g2/h2. Black: king g8; queen b6; rook f8; bishop b7; knight e5; pawns a6/d5/f6/g7/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: e7 — pawn e6→e7. Now Black to move.
2. Best move: Nxg4 — knight e5→g4, captures queen. Opponent replies Bxh7+ (bishop d3→h7, captures pawn, gives check).
3. Best move: Kf7 — king g8→f7. Opponent replies exf8=Q+ (pawn e7→f8, captures rook, promotes to queen, gives check).
4. Best move: Kxf8 — king f7→f8, captures queen.

Tactical themes

crushing, long, middlegame. The key move Nxg4 wins material.

Position data

FEN: 5rk1/1b4pp/pq2Pp2/3pn3/1P4Q1/3B4/6PP/2R2R1K w - - 4 28

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